+sub openiduser ($) {
+ my $user=shift;
+
+ if ($user =~ m!^https?://! &&
+ eval q{use Net::OpenID::VerifiedIdentity; 1} && !$@) {
+ my $display;
+
+ if (Net::OpenID::VerifiedIdentity->can("DisplayOfURL")) {
+ # this works in at least 2.x
+ $display = Net::OpenID::VerifiedIdentity::DisplayOfURL($user);
+ }
+ else {
+ # this only works in 1.x
+ my $oid=Net::OpenID::VerifiedIdentity->new(identity => $user);
+ $display=$oid->display;
+ }
+
+ # Convert "user.somehost.com" to "user [somehost.com]"
+ # (also "user.somehost.co.uk")
+ if ($display !~ /\[/) {
+ $display=~s/^([-a-zA-Z0-9]+?)\.([-.a-zA-Z0-9]+\.[a-z]+)$/$1 [$2]/;
+ }
+ # Convert "http://somehost.com/user" to "user [somehost.com]".
+ # (also "https://somehost.com/user/")
+ if ($display !~ /\[/) {
+ $display=~s/^https?:\/\/(.+)\/([^\/]+)\/?$/$2 [$1]/;
+ }
+ $display=~s!^https?://!!; # make sure this is removed
+ eval q{use CGI 'escapeHTML'};
+ error($@) if $@;
+ return escapeHTML($display);
+ }
+ return;
+}
+